Register.



A. LUSUARDIl REGISTER.. APPLICATION FILED AUG. 1o, 1909.

JJ' y 11 y v EL WITNESSESL' n rammed Feb. 14, l1911.

4 SHEETS-SHEET 1..

A. LUSUARDL REGISTER.

APPLICATION FILED AUG. 10jl 1909.

Patented Efeb. 414, 1911.

4, SHEETS-SHEET 3.

m m m W A. LUSUARDI.

REGISTER.

APPLICATION FILED AUG. 10,1909.

1984,436. Patented Feb. 14,1911

INI/EN 70H 4%? A TTOHNEY ject is the production of a register, which fitting and the like extending from a boiler UNITED sTATEs -PATENT orrion.

AMILCARE LUSUARDL- OF BIO DE JANEIRO, BRAZIL.

REGISTER.

To all whom 'it may concern:

Bc it known that I, AMILCARE LUSH-Anni, va citizen of Italy, and resident ofV Bio de Janeiro, United States of Brazil, have invented certain new and useful Improvements in Registers, of which the following 'is a specification. i j

"This invention relates to means for record. ing the excess pressureofsteaxn or any other iiuid in a boiler or any other vessel. Its lobwhen applied to a steam boiler-or other ves- .sel and the like, records-the number of times the said boiler or vessel hasrbeen subjected to an excess of pressureand also the amount of such excess. I` he invention provides nieans for accurately determining the abuse to which such boiler and the vlike has been subjected. y

In the drawings,.Figure l represents a front elevation partly broken away ofan exeinpliticationv of the.' invention, Fig. 2 shows a partial section of Fig. l on the line Q. Q, Fig. 3 is an enlarged partial right hand side view of Fig. 2 with the cover plate removed and a partial section as on the line 3. 3,Fig. represents a partial section of Fig. 3 on the line 4, 4, Fig. 5 shows a top plan view and section of Fig. 3 on the line 5, 5, Fig. (S is a section of Fig. 3 on the line (l. Fig. 'T shows a partial section of Fig. 3 on the line 7. T. Fig. S represents a partial section of Fig. 3 on the line S, S, Fig. S) shows a top plan view of Fig. l and Fig. l is a vertical axial section of ar modified safety valve of the invention.

The invention is shown to comprise a safety valve with the nipple having the lower threaded end 21, upper threaded end 22 and internal circular tiange i3, the upper edge of which latter comprises a valve seat 2t. The nipple can be engagedwith a pipe or other vessel with which it is to be used. A cylinder Q5 with the openings or ports 29 inthe body thereof is in threaded engagement with threaded end 22 of the nipple 20. A. neck 26 with vents 45 extend from the body of the cylinder and has formed therewith a cap 2T with .the central threaded opening 28. A threaded pressure regulator sleeve 30 with a hexagonal head 31 at its upper end and collar 3Q atits lower end, is in engagei'nent with the threaded opening 28. A lock. nut 33 -holds the sleeve 550 securely i in place. The upper end of the internal l Simciica'cionl of Letters Patent'. Patented Feb. 14. 1911. Appncation ined August 1o, 1909. serial Nn. 512,165.

wall of the sleeve 30 is threaded for the guide bushing 34.

A piston rod 35 s located within Ithe sleeve 30 and is guided by the bushing 34. The upper end of the said rod is threaded for the adjusting screw. 36 having a head with the conical tip 37. At the` lower end of the piston rod '35 is formed the double circular tlange 39'fron1 which vextends the bearing pin- 40. A supporting plate 4I is located upon the circular tiangeli), and a spring 42' surrounds the piston rod and bears on the plate 41. kA spring cap 43 bears on the s ring 42 and has extending up therefrom 1e eircularflange. which latter is in engagenient with the colla-r3?. of the sleeve 30. A piston 'with the. spring packing -rings 51 is locatedwithin the cylinder A disk lextends between the walls of said piston and has a central bearing for the pin 40. A circular flange 54 extends below thedisk 52, and when the pistonl is in its lowest position bears on the valve seat 24. -IVhen the piston is in said lowest position its walls cover the openings Q9 in the cylinder 25.

A recording gage is shown with a hous ing comprising a cylindrical shell 55 from which extends the front portion 56, having an 'oval opening with the ovalflange 57,v bv'nieans of which latter is supported an opaque glass front plate 59 60,-67, 68, 69, 77 and 7S. A neck 6l extends from the shell 55 and has formed therewith the flange 62, that is bolted to the cap 27 of the neck of the cylinder 25,

by means of screws G3 with the heads 64C,

that have openings fora wire 65, the ends of which are joined with a seal 66 or the like. Lugs 70 are formed with the wall of the shell-55 andare threaded for the screws 'TI having the heads 72 with'openings that support bolts 73, that are locked in place by theseals 74.. The screws 71 have the flanges T5 Yformed with their heads which latter bear onand hold the rear cover plate,

7G to the rear side of the shell 55.. From the inner face of the front portion 5G of" said shell extend lugs 80. to which is bolted a frame plate Sl by means of the screws SQ. 83. Openings 84 are formed in the said frame plate which register with the peep holes 60, 67,68, 69, 77 and 78. Screw pivots 85 extend from the said frame plate and three pairs oftoothed dial plates resina-,tively 86. 87. 88, 89, 90, 91 are pivoted' thereon. `With the dial plates 8G, 88, and

with peep holes l llO .'conipanying dial plates.

90 are respectively formed the ratchet wheels 92, 93 and 94. Washers 95 with the split pins 96 maintain the respective dial plates and ratchet wheels in place upon their screw pivots S5. From each of the dial plates 86, SS an?A 90 extend the single teeth 97, 98. and 99, and each of the dial plates 87, 89 and 91 have formed in -their circumferential edges the notches 100, 101, 102 located to register with the teeth 97, 98 and 99 of their ac- A scale with ten divisions is indicated by the numerals on each of the dial plates, said divisions can be of various denominations as pounds, kilo f grams, atmospheres and the like. Posts 105 and 106 extend from the frame plate 81 and the post 107 extends from the front portion 56 of the said shell 55. Springs 110 have each one of their ends fastened to the posts 105, 106 and 107 and their free ends are in the paths of the ratchet wheels 92. 93 and 94. has formed therein thc slots 116, that cngagc screw guide pins 117 that extend up from separators that, are fastened to the frame plate 81. Pawls 118, 119 and 120 are pivoted on screw-pins 121 extending up from the said plate 115. Stops 122 on the said plate are provided for the said pawls. and posts 123 support one end of cach of the springs 124, 125 andv 126, the free ends of which latter bear onv the pawls 118 to 120. The tip ends of the said pawls can be brought` into and out of engagement with the ratchet wheels 92. 93 and 94 respectively.

-X guide bracket extends up from the inner face of the said front portion 56, in

ywhich is guided the reciprocating plunger 131. which has formed at its lower end the cap 132 with the upper face 133 and conical bearing face 134. that is engaged by the.

conical' tip 37 of the adjusting screw 36. A collar is formed at about the central portion of the said plunger 131, anda forked end 136 at its upper end carries the screw pivot 137. A lever 142 is pivoted on the,

screw pivot 143 extending from the separator 141 on the frame plate 81. An elongated guide 144 is formed at one end of the lever 142, which engages the pin 137.v The other end of the, lever 142 carries the screw pivot 145. bv means of which connection is made with the link 146. The latter is in turn pivoted`to the shifting lever 147, b v means of the pin 14S. The said shifting lever 147. contains the guide 149 near one end thereof, and the guide 150 adjacent to the other, end. An eve 151 is formed at the end of the said shifting lever adjacent to the guide 150. A screw 152 is carried on the eye 151, and a washer 153 on the screw 152 clamps a spring 154 to the end of said shifting lever. The other end of the spring is clamped between a separator 155 encircling the screw 83 and a washer 156 located under the head .k reciprocating supporting plate 115v bracket 162 has a leg 163 which is fastened to the frame plate S1 by means of the screws 164. A screw pivot 165 extends from the bracket 162 and is engaged by the guide 149. The guide 150 of the shifting lever 147 is engaged by the screw pivot 166 extending from the supporting plate 115.

Referring to the modification shown in Fig. 10, the safety valve is shown to comprise the nipple 170 similar to the nipple 20. and having the seat 171. The cylinder 172 w-ilh the belt 173, having the -openings or ports 174. is in threaded engagement with said nipple. ,A neck 17 5 with the vents 176 has formed therewith thc cap 177. ln a threaded opening 17S in said cap is engaged a pressure regulating sleeve 179. which is secured in place. b'v the lock mit L80. A\ guide bushing similar to l-l is carried in the, sleeve .179. Said bushing guides a piston rod 186 to which is locked a piston 137 the piston rod 186. and is capped b v the spring cap 194. which bears up against the lower edge of the regulating Sleeve 179. An adjusting screw is in threaded engagement with the upper end of the piston rod 186. The screw 195 coacts with the cap 132 of the register hereinbefore described. ln the present instance a hood 196 is shown bolted to the cap 1,77 to be enabled t0 use the safety valve without said lgage.

To use the invention with a steam boiler thc spring 42 of the safety valveis compressed by means of the pressure regulating sleeve 30, so that its tension will maintain the piston 50 on itsseat 24 until the allowable working pressure in the boiler is exceeded. Vlien the pressure in the boiler exceeds the tension of the spring 42. the piston 50 rises which uncovers the ports 29 in the cylinder 25, allowing the escape of steam and at the same time the piston rod rises, the plunger 131 rises with said piston rod. and the length of the stroke of the latter is controlled by the upper face 133 of the cap 132 and the collar 135. The movements of the plunger 1.33 are communicated to the lever 142. link 146 and the shifting level' 147, which latter Swings on the screw pivot 165. The movements of said shifting lever are transmitted through the guide 150 thereof. to the screw pivot 166 extending from the reciprocating plate 115, and thereby the llt) Yto

latter is moved up against the tension of the spring 1541. The plate 115 carrying the pawls 118, 119 and 120 in the paths of the teeth of t-he ratchet wheels 92, 93 and 94, the latter are 'thereby rotated upon the up strokes of said plate 115. The pawl 118 engages the ratchet wheel 92 for the first unit of excess pressure, the pawl 119 engaging the ratchet wheel 98 for the second unit, and the pawl 120 engages the ratchet wheel 94 for the third unit of excess pressure. Upon the down strokes of the reciprocating plate 115 the said pawls ride over the teeth of their ratchet wheels, and bear againstthe tension of the'springs 124, 125 and 126. Duringthe down strokes of the pawls the ratchet wheels are prevented frgm turning,

by reason of the engagement of the springsv 110 therewith. Vith thev rotationsy of the said ratchet wheels their respective dial plates 86, 8S' and 90 are correspondingl ro'- tated, and the teeth 97, 98, and 99 o the latter engaging the notches 100, 101 and 102, rotation is `communicated to the dial plates 87, 89 and 91. As the dial plates rotate the numerals of the scales thereon are exhibited y through the peep holes of the glass front f plate 59. The relation of the arms of the shifting lever 14T relatively to the screw pivot 165. and the movable elements connected with said lever and the spring 42, are pro ortioned so'that when one predeternnne unit of 'excess pressure has been reached in the boiler, the supporting plate 115 will cause' the pawl 118 to have rotated the ratchet wheel 92, and its dial plate 86 an angular distance Arepresented by onerof the teeth ofsaid ratchet. excess of pressure have' been reached the pawl 119 will have rotated the ratchet Wheel 93, and its accompanying dial plate 88, an angular distance represented by one ot' the teeth of the ratchet wheel'. 93. When three units of excess ressure have been reached.,-

thc pawl 120 will `have rotated the ratchet wheel 94 with its accompanying dial plate '90 an angular distance represented by one of the teeth of the ratchet 94. It will be understood that the pairs of dial plates with their appurtenances could be increased, so that various excess units could be measured withthe recordixngr gage. When any of the dial plates S6, SS and 90 have completeda revolution, the respective accompanying dial plates 87, S9 and 91 will have been rotated one-tenth of a revolution. Each dialhas a scale thereon commencing with zero and terminating with the numeral 9, and one tooth extending from each of the dial ,plates 86, 88 and 90, and ten notches being formed on each of the dials 87, 89 and 91, the relative rotations of each pair of accompanying dial plates` will be one t ten. The first pair of dial plates 86 and 87 measure one unit or pressure. The second pair of dial When two units of leverl plates 88 and 89 measure two unit-s of excess of pressure., The third pair of dial plates 90 and 91 measure three units ofY excess 'of pressure.

The observer in inspecting the numerals visible through the transparentportions or peep-holes 60, 67, 68, (39 77 and 78 in the glass 81, will be able to readily read the number of times the diiierent maximum predetermined units ofpressure` have been exceeded. lf the peep-hole exhibits the numeral 9 and the peep-hole 67 exhibits zero, vone unit of excess of pressure has beenl attained nine times. Should the peep hole 68 also exhibit va numeral as for instance 8 and peep-hole -09 exhibit zero, it would in dicate that the two units of excess of pressure have been attained eight times.' If the peep-hole 177 exhibits the numeral 2 and thepeep-hole 78 exhibits zero it would indicate that three units of excess 'of pressure have been attained twice. The numerals exhibited indicate exactly how many times these units of excess pressure have been'attained. The apparatus lthus is shown to an accurate register, of the number of trhfes excessive pressure has been generated in'the boiler or other vessel to which it is applied. A

When the first pair of dial plates have been actuated, that is to say when the dial plates 86, 87, have beenturred a distance equal to one tooth of the rat .ist wheel, consequent to an excess of pressure equal to one unit, the piston has been raisedvsuiiiciently to allow a portion of the steam in the boiler to"escape through the ports 29,and the pressure in said boiler will consequently be lowered to its normal working pressure. If the pressure the boiler reaches 'two .or three units of excess pressure, the piston 50 will be proportionately raised and a greater volume of steam will escape by, way of the ports 29, after which the said piston will,

surned.

Having "described my invention what I .desire to secure. by Letters Patent and claim 1s:

1. In a register the combination ofa housing, a pair of dial plates pivotedin the housing;r and each having a scale, a tooth on one dial 'plate .registering with notches of the other dial plate. a ratchet wheel connected -up with one of the dial plates, a reciprocatingl plate guided in the housing, .a pawl pivoted onthe reciprocating plate inthe path of the teeth of the ratchet wheel, a shifting pivotal to the reciprocating plate, a. plunger l:ruided in the-housing; connections between the 'plunger and the shifting lever, a cylinder connected to the housing, a piston in the cylinder, a spring for the piston with the tension thereof opposing the prestdescend and again close said ports. and the' 110 normal pressure in the boiler. will be re/ .sure ot' the fluid for which said register is employed and connections between said piston and saidplunger.

2. In a register the combination of a housing. a plurality of pairs of dial plates pivoted in the housing and each pair of dial platrs registering with each other, a shifting lever pivoted in the housing, connections between the lever and one of eac-h pair of dial plates, a plunger guided in the housing, connections between the plunger and said shifting lever,a cylinder connected up with tooth on one dial plate registering with notches of the other dial plate of each pair,

a front plate having peep-holes to exhibit the numerals of the scales of the dial plates, a ratchet wheel connected up with one of each pair of dial plates, a reciprocating plate guided within the housing, a pawl pivoted on' the reciprocating plate in the path of thc teethof each ratchet wheel, and located that one pawl`is in engagement with its ratchet wheel while the others are released from their ratchet wheels, a shifting lever pivoted to the reciprocating plate, a reciprocating yplunger gulded in the housing, connections between the plunger and the shifting lever, a cylinder connected to the housine, a piston within the cylinder, a spring connected with said piston with the tension thereof opposing the p1'essure of the tluid for which said register 1s employed and connections between said piston and said plunger.

l. In a revister the-combination ot' a housing, a plurality of pairs of dial plates piv oted in the housing and each pair ot dial plates registering with each other, a shifting lever pivoted in the housing, connections between the level and one of each pair ot dial plates, a plunger guided iii the housing, connections between the plunger and said shifting lever, a rear cover plate for thc housing, meansto seal the said cover plate with the housing, a cylinder connected up withthe housing, means to seal the cylinde:l with said housing, a piston in the cylinder subjected to the pressure of the lluid t'or which the apparatus is employed. a spring connected up with said piston with its tension opposing said pressure, a piston rod for said piston, a pressure regulatlng sleev l adjustably connected with said cylinder to adjust the tension of .said spring and an adjusting screw carried by said piston rod bearing up against said plunger.

Signed at llio de Janeiro, l'. ,States ot lrazil this 15th day of July A. D.. 1905).

AMILCAR LI'S'ARDI. lVitnesses D. LEUCIrr, A. CAUT. 

